20198724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 39071676

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 53, 78, 84, 91, 106, 156, 159, 182, 212, 273, 318, 349, 364, 371, 546, 636, 689, 698, 742, 1047, 1092, 1113, 1378, 1396, 1484, 2067, 2094, 2226, 2443, 2756, 4134, 4188, 4452, 4537, 4823, 4886, 7329, 8268, 9074, 9646, 9772, 13611, 14469, 14658, 18148, 18497, 19292, 27222, 28938, 29316, 31759, 36994, 54444, 55491, 57876, 63518, 73988, 95277, 110982, 127036, 129479, 190554, 221964, 240461, 258958, 381108, 388437, 480922, 517916, 721383, 776874, 961844, 1442766, 1553748, 1683227, 2885532, 3366454, 5049681, 6732908, 10099362, 20198724]

約数ペア:

[(1, 20198724), (2, 10099362), (3, 6732908), (4, 5049681), (6, 3366454), (7, 2885532), (12, 1683227), (13, 1553748), (14, 1442766), (21, 961844), (26, 776874), (28, 721383), (39, 517916), (42, 480922), (52, 388437), (53, 381108), (78, 258958), (84, 240461), (91, 221964), (106, 190554), (156, 129479), (159, 127036), (182, 110982), (212, 95277), (273, 73988), (318, 63518), (349, 57876), (364, 55491), (371, 54444), (546, 36994), (636, 31759), (689, 29316), (698, 28938), (742, 27222), (1047, 19292), (1092, 18497), (1113, 18148), (1378, 14658), (1396, 14469), (1484, 13611), (2067, 9772), (2094, 9646), (2226, 9074), (2443, 8268), (2756, 7329), (4134, 4886), (4188, 4823), (4452, 4537)]